<!doctype html>
<html>
<meta charset="utf-8">
<title>Test reference</title>
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style>
div {
  font: 50px/1 Ahem;
  position: absolute;
  z-index: -1;
  color: green;
}
</style>

<p>Test passes if there is a filled green square and <strong>no red</strong>.

<div>&#8239;AB<br>&#8239;CD</div>